X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 5.6
Details 3.2M AMMONIUM SULPHATE, 0.2M LISO4, 0.1M CITRATE PH5.6, pH 5.60

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 88.26 α = 90
b = 88.26 β = 90
c = 217.85 γ = 120
Symmetry
Space Group P 31 1 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH -- 1998-06-15
Diffraction Radiation
Monochromator Protocol
SI 111 CHANNEL CUT MONOCHROMATOR SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SRS BEAMLINE PX9.5 -- SRS PX9.5

Data Collection

Overall
Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (Observed) R Sym I (Observed) Net I Over Average Sigma (I) Redundancy Number Reflections (All) Number Reflections (Observed) Observed Criterion Sigma (F) Observed Criterion Sigma (I) B (Isotropic) From Wilson Plot
2.18 28.9 98.6 -- 0.067 -- 2.5 -- 49696 -- -- 29.0
High Resolution Shell
Resolution (High) Resolution (Low) Percent Possible (All) R Merge I (Observed) R-Sym I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All)
2.18 2.26 97.2 -- 0.365 2.2 2.3 --

Refinement

Statistics
Structure Solution Method Refinement High Resolution Refinement Low Resolution Cut-off Sigma (I) Cut-off Sigma (F) Number of Reflections (All) Number of Reflections (Observed) Number of Reflections (R-Free) Percent Reflections (Observed) R-Factor (All) R-Factor (Observed) R-Work R-Free R-Free Selection Details
MOLECULAR REPLACEMENT 2.18 25.0 -- 0.0 -- 44982 2368 98.6 -- -- 0.162 0.212 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 31.4
RMS Deviations
Key Refinement Restraint Deviation
p_special_tor 15.0
p_transverse_tor 30.9
p_staggered_tor 15.7
p_planar_tor 4.9
p_xyhbond_nbd 0.154
p_multtor_nbd 0.26
p_bond_d 0.016
p_angle_d 0.041
p_planar_d 0.046
p_mcbond_it 1.663
p_mcangle_it 2.303
p_scbond_it 2.231
p_scangle_it 3.132
p_plane_restr 0.0248
p_chiral_restr 0.141
p_singtor_nbd 0.187
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 5909
Nucleic Acid Atoms 0
Heterogen Atoms 66
Solvent Atoms 645

Software

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
AMORE Structure Solution
REFMAC Structure Refinement
Software
Software Name Purpose
REFMAC refinement
AMORE model building